()* crossing the plane surface given by 0.5 ≤rs 2.5m and 0szs 2.0m. Q.4: In cylindrical coordinates, B= T. Determine the magnetic flux

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### Magnetic Flux in Cylindrical Coordinates

**Problem Statement:**
In cylindrical coordinates, the magnetic field is given by:
\[ B = \left( \frac{4}{r} \right) \hat{\phi} \text{ T} \]

Determine the magnetic flux \(\Phi\) crossing the plane surface given by:
\[ 0.5 \leq r \leq 2.5 \, \text{m} \]
and 
\[ 0 \leq z \leq 2.0 \, \text{m} \]

**Steps to Solve:**
1. Identify the bounds of the integration in \(r\) and \(z\).
2. Recognize that the magnetic field is radially dependent, and it's directed along the \(\hat{\phi}\) direction.
3. Integrate the magnetic field over the specified surface area to find the magnetic flux \(\Phi\).

**Explanation:**
- In cylindrical coordinates, the given magnetic field varies with \(r\) and is independent of \(z\) and \(\phi\).
- The problem encompasses integrating over the surface bounded in \(r\) from 0.5 m to 2.5 m and in \(z\) from 0 m to 2 m.

Understanding this problem involves calculating the magnetic flux by setting up appropriate integrals over the defined bounds. The magnetic field component in the \(\hat{\phi}\) direction and its dependence on \(r\) must be considered carefully while performing the integration.

**Example of Integral Setup:**
\[ \Phi = \int_{0}^{2.0} \int_{0.5}^{2.5} B \cdot dA \]
Where \( dA \) is the differential element of the area in the appropriate direction.

**Detailed Solution:**
For deeper insight and the detailed step-by-step solution, refer to the section on magnetic flux in cylindrical coordinates.
Transcribed Image Text:### Magnetic Flux in Cylindrical Coordinates **Problem Statement:** In cylindrical coordinates, the magnetic field is given by: \[ B = \left( \frac{4}{r} \right) \hat{\phi} \text{ T} \] Determine the magnetic flux \(\Phi\) crossing the plane surface given by: \[ 0.5 \leq r \leq 2.5 \, \text{m} \] and \[ 0 \leq z \leq 2.0 \, \text{m} \] **Steps to Solve:** 1. Identify the bounds of the integration in \(r\) and \(z\). 2. Recognize that the magnetic field is radially dependent, and it's directed along the \(\hat{\phi}\) direction. 3. Integrate the magnetic field over the specified surface area to find the magnetic flux \(\Phi\). **Explanation:** - In cylindrical coordinates, the given magnetic field varies with \(r\) and is independent of \(z\) and \(\phi\). - The problem encompasses integrating over the surface bounded in \(r\) from 0.5 m to 2.5 m and in \(z\) from 0 m to 2 m. Understanding this problem involves calculating the magnetic flux by setting up appropriate integrals over the defined bounds. The magnetic field component in the \(\hat{\phi}\) direction and its dependence on \(r\) must be considered carefully while performing the integration. **Example of Integral Setup:** \[ \Phi = \int_{0}^{2.0} \int_{0.5}^{2.5} B \cdot dA \] Where \( dA \) is the differential element of the area in the appropriate direction. **Detailed Solution:** For deeper insight and the detailed step-by-step solution, refer to the section on magnetic flux in cylindrical coordinates.
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